photography to theme big footprint animal dog close up

footprint animal foot print paw claw pawprint footpath footstep predator step trail dirt clay mud trace mark cow kine bull heavy pet hoofprint hoof evidence terrain field direction finger mammal clues tracking hunting wildlife barefoot ground soil symbol rough imprint walk nature track path wild black white monochrome silhouette photography theme big dog close gray earth background photo consisting natural old outdoors top view muddy dark dry